The Met Office has issued a warning for freeezing fog across Dorset.

In some places visibility could be as low as 100m, the forecaster says, with ice also possible on untreated surfaces overnight.

The warning reads: "Freezing fog patches will become more widespread and locally dense during Wednesday evening, overnight and through Thursday morning.

"Driving conditions will be difficult with journeys likely to take longer than usual whilst some delays to air travel are possible.

"Whilst not all areas will have fog, where it does form the visibility could be less than 100 metres.

"Combined with temperatures below freezing, there is also the risk of ice forming on some untreated surfaces particularly later in the night and early on Thursday morning.

"The fog patches are expected to slowly thin during Thursday, although some patches may persist throughout the day - most likely in a zone from the West Country to Eastern England."

The forecast for the area is for fog to form 'quite widely', with frost and temperatures as low as -3c where the skies are clear.

Blandford Forum and Wimborne Minster are set to get the worst of the fog, from midnight onwards, with Bournemouth and Poole forecast clear skies until midnight, with mist into tomorrow morning.